430 ENTOMOLOGICAL NEWS [Nov., '13 



oak), Xylotrechus col onus Fabr., South Philadelphia, June 15 

 (on oak), Blaphidion parallelum Newm., South Philadelphia, 

 June 15 (on oak) and Bolboceras farctns Fabr., Castle Rock, 

 Pa., June 1, 1913. Also a specimen of Diptera : Oncodes cos- 

 tatus Loew, Castle Rock, Pa., June i, 1913. 

 Adjourned to the annex. 



George M. Greene, Secretary. 



AMERICAN ENTOMOLOGICAL SOCIETY. 



Meeting of April 24, 1913. Dr. Philip P. Calvert, presi- 

 dent, in the chair ; seven persons were present. 



Mr. Rehn made some remarks on the genus Dichopetala 

 and exhibited the known species. The anatomical features 

 of the species were pointed out in conjunction with their spe- 

 cific characters. They all live in thorny or tangled thickets. 

 There are fourteen species, of which three were previously 

 know and eleven are new. Of the old species, two types 

 are in Vienna and one in Cambridge. Mass. Of the new 

 forms, seven types are in Philadelphia, three in Cambridge 

 and one in the American Museum of Natural History in New 

 York. Of three of the new forms the only material was 

 taken by Rehn and Hebard in 1912 and also a large series of 

 three others. Seven species are Mexican only, five from the 

 United States only and two from Mexico and the United 

 States. 



Dr. Calvert discussed the terms nymph, larva and pupa and 

 considered their possible differentiation and limitations. 



Mr. Williams exhibited some very interesting drawings of 

 various European and exotic insects, purchased from a book 

 dealer in London. They were the work of Petiver and others 

 and dated from about 1800. 



Mr. Laurent referred to an article on Anosia plexippus 

 published in The Outdoor World for April, in relation to its 

 habits of assembling and migrating and settling on pine trees 

 at Pacific Grove, Cal. Mr. Rehn said the Monterey Peninsula 

 was quite cold and that there arc many warmer places in 

 California, and why these butterflies select the place men- 



